<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script src="../js/vue.js"></script>
    <div id="app">
        <counter class="btn"></counter>
        <counter inline-template>
            <button @click="num++">点击{{num}}次</button>
        </counter>
        <counter inline-template>
            <button class="btn" @click="num++">计数{{num}}次</button>
        </counter>
    </div>
    

    <script>

        Vue.component('counter',{
            template:`
                <button @click="num++">{{num}}次</button>
            `,
            data:function(){
                return{
                    num:0
                }
            }
        })
        var vm = new Vue({
            el: "#app",
            data: {
            }
        })
    </script>
</body>
<style>
    .btn{
        display: inline-block;
        line-height: 1;
        white-space: nowrap;
        cursor: pointer;
        color: #409eff;
        background: #ecf5ff;
        border-color: #b3d8ff;
        text-align: center;
        box-sizing: border-box;
        padding: 12px 20px;
        font-size: 14px;
        border-radius: 4px;
    }
</style>

</html>